./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-79.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-79.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 490a17de475a4cdaca431eb48cf1963f4700f59f0d2a39194d1b25aa89485cac --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:03:27,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:03:27,548 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 07:03:27,555 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:03:27,556 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:03:27,602 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:03:27,605 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:03:27,606 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:03:27,607 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:03:27,608 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:03:27,608 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:03:27,609 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:03:27,610 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:03:27,610 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:03:27,611 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:03:27,611 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:03:27,612 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:03:27,612 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:03:27,613 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:03:27,614 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:03:27,614 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:03:27,619 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:03:27,620 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:03:27,620 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:03:27,621 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:03:27,621 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:03:27,622 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:03:27,625 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:03:27,625 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:03:27,626 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:03:27,626 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:03:27,627 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:03:27,627 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:03:27,628 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:03:27,628 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:03:27,629 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:03:27,630 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:03:27,630 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:03:27,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:03:27,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:03:27,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:03:27,632 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:03:27,633 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:03:27,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:03:27,634 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:03:27,634 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:03:27,634 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:03:27,635 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 490a17de475a4cdaca431eb48cf1963f4700f59f0d2a39194d1b25aa89485cac [2024-11-09 07:03:28,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:03:28,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:03:28,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:03:28,066 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:03:28,067 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:03:28,069 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-79.i Unable to find full path for "g++" [2024-11-09 07:03:30,616 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:03:30,921 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:03:30,922 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-79.i [2024-11-09 07:03:30,937 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/data/e2074fa1c/d71b9c41e1cd4a03b2cf12b01486548e/FLAGcb1cefc1c [2024-11-09 07:03:30,958 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/data/e2074fa1c/d71b9c41e1cd4a03b2cf12b01486548e [2024-11-09 07:03:30,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:03:30,962 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:03:30,964 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:03:30,964 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:03:30,973 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:03:30,974 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:03:30" (1/1) ... [2024-11-09 07:03:30,975 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58b97548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:30, skipping insertion in model container [2024-11-09 07:03:30,975 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:03:30" (1/1) ... [2024-11-09 07:03:31,020 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:03:31,267 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-79.i[916,929] [2024-11-09 07:03:31,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:03:31,470 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:03:31,484 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-79.i[916,929] [2024-11-09 07:03:31,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:03:31,578 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:03:31,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:31 WrapperNode [2024-11-09 07:03:31,578 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:03:31,580 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:03:31,580 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:03:31,580 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:03:31,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:31" (1/1) ... [2024-11-09 07:03:31,616 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:31" (1/1) ... [2024-11-09 07:03:31,695 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 253 [2024-11-09 07:03:31,695 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:03:31,696 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:03:31,696 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:03:31,697 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:03:31,714 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:31" (1/1) ... [2024-11-09 07:03:31,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:31" (1/1) ... [2024-11-09 07:03:31,720 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:31" (1/1) ... [2024-11-09 07:03:31,721 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:31" (1/1) ... [2024-11-09 07:03:31,739 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:31" (1/1) ... [2024-11-09 07:03:31,745 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:31" (1/1) ... [2024-11-09 07:03:31,757 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:31" (1/1) ... [2024-11-09 07:03:31,764 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:31" (1/1) ... [2024-11-09 07:03:31,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:03:31,783 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:03:31,786 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:03:31,786 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:03:31,787 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:31" (1/1) ... [2024-11-09 07:03:31,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:03:31,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:03:31,831 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:03:31,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:03:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:03:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 07:03:31,882 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 07:03:31,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:03:31,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:03:31,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:03:32,048 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:03:32,051 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:03:32,798 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-09 07:03:32,799 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:03:33,273 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:03:33,273 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 07:03:33,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:03:33 BoogieIcfgContainer [2024-11-09 07:03:33,274 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:03:33,279 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:03:33,279 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:03:33,284 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:03:33,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:03:30" (1/3) ... [2024-11-09 07:03:33,287 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a86a68a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:03:33, skipping insertion in model container [2024-11-09 07:03:33,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:31" (2/3) ... [2024-11-09 07:03:33,289 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a86a68a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:03:33, skipping insertion in model container [2024-11-09 07:03:33,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:03:33" (3/3) ... [2024-11-09 07:03:33,291 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-79.i [2024-11-09 07:03:33,315 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:03:33,316 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:03:33,419 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:03:33,435 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@74edb172, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:03:33,435 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:03:33,441 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 27 states have internal predecessors, (29), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-09 07:03:33,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-09 07:03:33,460 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:03:33,460 INFO L215 NwaCegarLoop]: trace histogram [34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:03:33,461 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:03:33,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:03:33,470 INFO L85 PathProgramCache]: Analyzing trace with hash 955108054, now seen corresponding path program 1 times [2024-11-09 07:03:33,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:03:33,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929509712] [2024-11-09 07:03:33,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:03:33,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:03:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 07:03:34,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [597977607] [2024-11-09 07:03:34,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:03:34,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:03:34,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:03:34,968 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:03:34,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 07:03:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:03:36,459 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:03:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:03:37,065 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 07:03:37,070 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:03:37,072 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 07:03:37,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 07:03:37,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 07:03:37,285 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 07:03:37,509 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:03:37,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:03:37 BoogieIcfgContainer [2024-11-09 07:03:37,517 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:03:37,518 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:03:37,518 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:03:37,518 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:03:37,519 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:03:33" (3/4) ... [2024-11-09 07:03:37,523 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 07:03:37,525 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:03:37,527 INFO L158 Benchmark]: Toolchain (without parser) took 6564.12ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 119.6MB in the beginning and 144.2MB in the end (delta: -24.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 07:03:37,528 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 113.2MB. Free memory was 74.8MB in the beginning and 74.8MB in the end (delta: 30.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:03:37,530 INFO L158 Benchmark]: CACSL2BoogieTranslator took 615.07ms. Allocated memory is still 157.3MB. Free memory was 119.1MB in the beginning and 100.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 07:03:37,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.48ms. Allocated memory is still 157.3MB. Free memory was 100.3MB in the beginning and 95.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 07:03:37,533 INFO L158 Benchmark]: Boogie Preprocessor took 86.05ms. Allocated memory is still 157.3MB. Free memory was 95.0MB in the beginning and 92.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 07:03:37,534 INFO L158 Benchmark]: RCFGBuilder took 1490.52ms. Allocated memory is still 157.3MB. Free memory was 92.4MB in the beginning and 102.1MB in the end (delta: -9.7MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2024-11-09 07:03:37,536 INFO L158 Benchmark]: TraceAbstraction took 4238.59ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 101.1MB in the beginning and 144.2MB in the end (delta: -43.1MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-09 07:03:37,537 INFO L158 Benchmark]: Witness Printer took 7.63ms. Allocated memory is still 188.7MB. Free memory is still 144.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:03:37,541 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 113.2MB. Free memory was 74.8MB in the beginning and 74.8MB in the end (delta: 30.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 615.07ms. Allocated memory is still 157.3MB. Free memory was 119.1MB in the beginning and 100.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.48ms. Allocated memory is still 157.3MB. Free memory was 100.3MB in the beginning and 95.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.05ms. Allocated memory is still 157.3MB. Free memory was 95.0MB in the beginning and 92.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1490.52ms. Allocated memory is still 157.3MB. Free memory was 92.4MB in the beginning and 102.1MB in the end (delta: -9.7MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4238.59ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 101.1MB in the beginning and 144.2MB in the end (delta: -43.1MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Witness Printer took 7.63ms. Allocated memory is still 188.7MB. Free memory is still 144.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 216, overapproximation of bitwiseOr at line 65, overapproximation of someBinaryArithmeticDOUBLEoperation at line 89, overapproximation of someBinaryDOUBLEComparisonOperation at line 83. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 0; [L23] signed short int var_1_6 = 256; [L24] signed short int var_1_7 = 8; [L25] double var_1_8 = 5.3; [L26] double var_1_9 = 5.575; [L27] double var_1_10 = 31.5; [L28] double var_1_11 = 2.38; [L29] double var_1_12 = 1.25; [L30] unsigned short int var_1_13 = 100; [L31] unsigned long int var_1_16 = 8; [L32] unsigned long int var_1_17 = 4; [L33] unsigned short int var_1_19 = 49755; [L34] unsigned short int var_1_20 = 0; [L35] unsigned short int var_1_21 = 10; [L36] unsigned short int var_1_22 = 5; [L37] float var_1_23 = 200.8; [L38] signed long int var_1_24 = 256; [L39] unsigned short int var_1_25 = 16; [L40] double var_1_26 = 0.625; [L41] double var_1_27 = 2.25; [L42] double var_1_28 = 25.8; [L43] double var_1_29 = 15.5; [L44] unsigned long int var_1_30 = 1; [L45] unsigned long int var_1_31 = 2553598654; [L46] unsigned char var_1_32 = 1; [L47] unsigned char var_1_33 = 0; [L48] signed char var_1_34 = -1; [L49] signed char var_1_35 = -8; [L50] signed char var_1_36 = 25; [L51] signed char var_1_37 = 10; [L52] signed char var_1_38 = 64; [L53] unsigned long int var_1_39 = 128; [L54] signed short int last_1_var_1_1 = 0; [L55] double last_1_var_1_8 = 5.3; [L56] unsigned short int last_1_var_1_13 = 100; [L57] signed long int last_1_var_1_24 = 256; [L58] unsigned long int last_1_var_1_30 = 1; [L59] unsigned char last_1_var_1_32 = 1; [L60] unsigned long int last_1_var_1_39 = 128; [L220] isInitial = 1 [L221] FCALL initially() [L222] COND TRUE 1 [L223] CALL updateLastVariables() [L207] last_1_var_1_1 = var_1_1 [L208] last_1_var_1_8 = var_1_8 [L209] last_1_var_1_13 = var_1_13 [L210] last_1_var_1_24 = var_1_24 [L211] last_1_var_1_30 = var_1_30 [L212] last_1_var_1_32 = var_1_32 [L213] last_1_var_1_39 = var_1_39 [L223] RET updateLastVariables() [L224] CALL updateVariables() [L151] var_1_6 = __VERIFIER_nondet_short() [L152] CALL assume_abort_if_not(var_1_6 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_10=63/2, var_1_11=119/50, var_1_12=5/4, var_1_13=100, var_1_16=8, var_1_17=4, var_1_19=49755, var_1_1=0, var_1_20=0, var_1_21=10, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=8, var_1_8=53/10, var_1_9=223/40] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_6 >= -1) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_10=63/2, var_1_11=119/50, var_1_12=5/4, var_1_13=100, var_1_16=8, var_1_17=4, var_1_19=49755, var_1_1=0, var_1_20=0, var_1_21=10, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=8, var_1_8=53/10, var_1_9=223/40] [L153] CALL assume_abort_if_not(var_1_6 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_10=63/2, var_1_11=119/50, var_1_12=5/4, var_1_13=100, var_1_16=8, var_1_17=4, var_1_19=49755, var_1_1=0, var_1_20=0, var_1_21=10, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=8, var_1_8=53/10, var_1_9=223/40] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_6 <= 32766) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_10=63/2, var_1_11=119/50, var_1_12=5/4, var_1_13=100, var_1_16=8, var_1_17=4, var_1_19=49755, var_1_1=0, var_1_20=0, var_1_21=10, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=8, var_1_8=53/10, var_1_9=223/40] [L154] var_1_7 = __VERIFIER_nondet_short() [L155] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_10=63/2, var_1_11=119/50, var_1_12=5/4, var_1_13=100, var_1_16=8, var_1_17=4, var_1_19=49755, var_1_1=0, var_1_20=0, var_1_21=10, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10, var_1_9=223/40] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_10=63/2, var_1_11=119/50, var_1_12=5/4, var_1_13=100, var_1_16=8, var_1_17=4, var_1_19=49755, var_1_1=0, var_1_20=0, var_1_21=10, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10, var_1_9=223/40] [L156] CALL assume_abort_if_not(var_1_7 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_10=63/2, var_1_11=119/50, var_1_12=5/4, var_1_13=100, var_1_16=8, var_1_17=4, var_1_19=49755, var_1_1=0, var_1_20=0, var_1_21=10, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10, var_1_9=223/40] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_7 <= 32766) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_10=63/2, var_1_11=119/50, var_1_12=5/4, var_1_13=100, var_1_16=8, var_1_17=4, var_1_19=49755, var_1_1=0, var_1_20=0, var_1_21=10, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10, var_1_9=223/40] [L157] var_1_9 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_10=63/2, var_1_11=119/50, var_1_12=5/4, var_1_13=100, var_1_16=8, var_1_17=4, var_1_19=49755, var_1_1=0, var_1_20=0, var_1_21=10, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_10=63/2, var_1_11=119/50, var_1_12=5/4, var_1_13=100, var_1_16=8, var_1_17=4, var_1_19=49755, var_1_1=0, var_1_20=0, var_1_21=10, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L159] var_1_10 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_11=119/50, var_1_12=5/4, var_1_13=100, var_1_16=8, var_1_17=4, var_1_19=49755, var_1_1=0, var_1_20=0, var_1_21=10, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_11=119/50, var_1_12=5/4, var_1_13=100, var_1_16=8, var_1_17=4, var_1_19=49755, var_1_1=0, var_1_20=0, var_1_21=10, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L161] var_1_11 = __VERIFIER_nondet_double() [L162] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_12=5/4, var_1_13=100, var_1_16=8, var_1_17=4, var_1_19=49755, var_1_1=0, var_1_20=0, var_1_21=10, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_12=5/4, var_1_13=100, var_1_16=8, var_1_17=4, var_1_19=49755, var_1_1=0, var_1_20=0, var_1_21=10, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L163] var_1_12 = __VERIFIER_nondet_double() [L164] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=8, var_1_17=4, var_1_19=49755, var_1_1=0, var_1_20=0, var_1_21=10, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=8, var_1_17=4, var_1_19=49755, var_1_1=0, var_1_20=0, var_1_21=10, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L165] var_1_16 = __VERIFIER_nondet_ulong() [L166] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=4, var_1_19=49755, var_1_1=0, var_1_20=0, var_1_21=10, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=4, var_1_19=49755, var_1_1=0, var_1_20=0, var_1_21=10, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L167] CALL assume_abort_if_not(var_1_16 <= 2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=4, var_1_19=49755, var_1_1=0, var_1_20=0, var_1_21=10, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_16 <= 2147483648) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=4, var_1_19=49755, var_1_1=0, var_1_20=0, var_1_21=10, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L168] var_1_17 = __VERIFIER_nondet_ulong() [L169] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49755, var_1_1=0, var_1_20=0, var_1_21=10, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49755, var_1_1=0, var_1_20=0, var_1_21=10, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L170] CALL assume_abort_if_not(var_1_17 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49755, var_1_1=0, var_1_20=0, var_1_21=10, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_17 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49755, var_1_1=0, var_1_20=0, var_1_21=10, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L171] var_1_19 = __VERIFIER_nondet_ushort() [L172] CALL assume_abort_if_not(var_1_19 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=0, var_1_21=10, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_19 >= 49150) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=0, var_1_21=10, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L173] CALL assume_abort_if_not(var_1_19 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=0, var_1_21=10, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_19 <= 65534) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=0, var_1_21=10, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L174] var_1_20 = __VERIFIER_nondet_ushort() [L175] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_21=10, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_21=10, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L176] CALL assume_abort_if_not(var_1_20 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=10, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_20 <= 16383) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=10, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L177] var_1_21 = __VERIFIER_nondet_ushort() [L178] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L179] CALL assume_abort_if_not(var_1_21 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_21 <= 16383) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_22=5, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L180] var_1_22 = __VERIFIER_nondet_ushort() [L181] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L182] CALL assume_abort_if_not(var_1_22 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_22=-65279, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_22 <= 32767) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_22=-65279, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_28=129/5, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L183] var_1_28 = __VERIFIER_nondet_double() [L184] CALL assume_abort_if_not((var_1_28 >= 0.0F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 4611686.018427382800e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_22=-65279, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not((var_1_28 >= 0.0F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 4611686.018427382800e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_22=-65279, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_29=31/2, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L185] var_1_29 = __VERIFIER_nondet_double() [L186] CALL assume_abort_if_not((var_1_29 >= 0.0F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 4611686.018427382800e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_22=-65279, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not((var_1_29 >= 0.0F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 4611686.018427382800e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_22=-65279, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_30=1, var_1_31=2553598654, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L187] var_1_31 = __VERIFIER_nondet_ulong() [L188] CALL assume_abort_if_not(var_1_31 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_22=-65279, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_30=1, var_1_31=2147483647, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_31 >= 2147483647) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_22=-65279, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_30=1, var_1_31=2147483647, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L189] CALL assume_abort_if_not(var_1_31 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_22=-65279, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_30=1, var_1_31=2147483647, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_31 <= 4294967294) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_22=-65279, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_30=1, var_1_31=2147483647, var_1_32=1, var_1_33=0, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L190] var_1_33 = __VERIFIER_nondet_uchar() [L191] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_22=-65279, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_30=1, var_1_31=2147483647, var_1_32=1, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L20] COND FALSE !(!cond) [L191] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_22=-65279, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_30=1, var_1_31=2147483647, var_1_32=1, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L192] CALL assume_abort_if_not(var_1_33 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_22=-65279, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_30=1, var_1_31=2147483647, var_1_32=1, var_1_33=256, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_33 <= 0) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_22=-65279, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_30=1, var_1_31=2147483647, var_1_32=1, var_1_33=256, var_1_34=-1, var_1_35=-8, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L193] var_1_35 = __VERIFIER_nondet_char() [L194] CALL assume_abort_if_not(var_1_35 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_22=-65279, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_30=1, var_1_31=2147483647, var_1_32=1, var_1_33=256, var_1_34=-1, var_1_35=63, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L20] COND FALSE !(!cond) [L194] RET assume_abort_if_not(var_1_35 >= -63) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_22=-65279, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_30=1, var_1_31=2147483647, var_1_32=1, var_1_33=256, var_1_34=-1, var_1_35=63, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L195] CALL assume_abort_if_not(var_1_35 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_22=-65279, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_30=1, var_1_31=2147483647, var_1_32=1, var_1_33=256, var_1_34=-1, var_1_35=63, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L20] COND FALSE !(!cond) [L195] RET assume_abort_if_not(var_1_35 <= 63) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_22=-65279, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_30=1, var_1_31=2147483647, var_1_32=1, var_1_33=256, var_1_34=-1, var_1_35=63, var_1_36=25, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L196] var_1_36 = __VERIFIER_nondet_char() [L197] CALL assume_abort_if_not(var_1_36 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_22=-65279, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_30=1, var_1_31=2147483647, var_1_32=1, var_1_33=256, var_1_34=-1, var_1_35=63, var_1_36=-62, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L20] COND FALSE !(!cond) [L197] RET assume_abort_if_not(var_1_36 >= -63) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_22=-65279, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_30=1, var_1_31=2147483647, var_1_32=1, var_1_33=256, var_1_34=-1, var_1_35=63, var_1_36=-62, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L198] CALL assume_abort_if_not(var_1_36 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_22=-65279, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_30=1, var_1_31=2147483647, var_1_32=1, var_1_33=256, var_1_34=-1, var_1_35=63, var_1_36=-62, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L20] COND FALSE !(!cond) [L198] RET assume_abort_if_not(var_1_36 <= 63) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_22=-65279, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_30=1, var_1_31=2147483647, var_1_32=1, var_1_33=256, var_1_34=-1, var_1_35=63, var_1_36=-62, var_1_37=10, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L199] var_1_37 = __VERIFIER_nondet_char() [L200] CALL assume_abort_if_not(var_1_37 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_22=-65279, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_30=1, var_1_31=2147483647, var_1_32=1, var_1_33=256, var_1_34=-1, var_1_35=63, var_1_36=-62, var_1_37=126, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L20] COND FALSE !(!cond) [L200] RET assume_abort_if_not(var_1_37 >= -1) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_22=-65279, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_30=1, var_1_31=2147483647, var_1_32=1, var_1_33=256, var_1_34=-1, var_1_35=63, var_1_36=-62, var_1_37=126, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L201] CALL assume_abort_if_not(var_1_37 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_22=-65279, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_30=1, var_1_31=2147483647, var_1_32=1, var_1_33=256, var_1_34=-1, var_1_35=63, var_1_36=-62, var_1_37=126, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L20] COND FALSE !(!cond) [L201] RET assume_abort_if_not(var_1_37 <= 126) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_22=-65279, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_30=1, var_1_31=2147483647, var_1_32=1, var_1_33=256, var_1_34=-1, var_1_35=63, var_1_36=-62, var_1_37=126, var_1_38=64, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L202] var_1_38 = __VERIFIER_nondet_char() [L203] CALL assume_abort_if_not(var_1_38 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_22=-65279, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_30=1, var_1_31=2147483647, var_1_32=1, var_1_33=256, var_1_34=-1, var_1_35=63, var_1_36=-62, var_1_37=126, var_1_38=1, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L20] COND FALSE !(!cond) [L203] RET assume_abort_if_not(var_1_38 >= 0) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_22=-65279, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_30=1, var_1_31=2147483647, var_1_32=1, var_1_33=256, var_1_34=-1, var_1_35=63, var_1_36=-62, var_1_37=126, var_1_38=1, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L204] CALL assume_abort_if_not(var_1_38 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_22=-65279, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_30=1, var_1_31=2147483647, var_1_32=1, var_1_33=256, var_1_34=-1, var_1_35=63, var_1_36=-62, var_1_37=126, var_1_38=1, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L20] COND FALSE !(!cond) [L204] RET assume_abort_if_not(var_1_38 <= 126) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=100, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=0, var_1_20=-49153, var_1_21=249, var_1_22=-65279, var_1_23=1004/5, var_1_24=256, var_1_25=16, var_1_26=5/8, var_1_27=9/4, var_1_30=1, var_1_31=2147483647, var_1_32=1, var_1_33=256, var_1_34=-1, var_1_35=63, var_1_36=-62, var_1_37=126, var_1_38=1, var_1_39=128, var_1_6=32766, var_1_7=32766, var_1_8=53/10] [L224] RET updateVariables() [L225] CALL step() [L64] signed short int stepLocal_5 = var_1_7; [L65] EXPR last_1_var_1_24 | var_1_22 [L65] signed long int stepLocal_4 = last_1_var_1_24 | var_1_22; [L66] signed long int stepLocal_3 = last_1_var_1_1; [L67] COND TRUE stepLocal_4 > last_1_var_1_39 [L68] COND TRUE \read(last_1_var_1_32) [L69] COND TRUE stepLocal_3 == ((var_1_20 + last_1_var_1_13) / var_1_19) [L70] var_1_30 = ((((var_1_22) > (10u)) ? (var_1_22) : (10u))) [L82] unsigned short int stepLocal_6 = var_1_19; [L83] COND FALSE !((var_1_29 - var_1_11) <= last_1_var_1_8) [L88] COND TRUE \read(var_1_32) [L89] var_1_8 = ((var_1_9 + ((((31.5) > (var_1_10)) ? (31.5) : (var_1_10)))) - ((((var_1_11) < (var_1_12)) ? (var_1_11) : (var_1_12)))) [L91] var_1_23 = (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) - var_1_9) [L92] COND TRUE ! ((var_1_12 < 9999999.625) && var_1_32) [L93] var_1_25 = var_1_19 [L97] COND FALSE !(-32 > var_1_20) [L100] var_1_27 = 63.75 [L102] unsigned long int stepLocal_1 = last_1_var_1_30; [L103] COND TRUE \read(last_1_var_1_32) [L104] COND FALSE !(-10000000 <= stepLocal_1) [L108] signed long int stepLocal_2 = 32; [L109] COND FALSE !(stepLocal_2 >= var_1_24) [L112] COND TRUE var_1_20 >= var_1_16 [L113] COND TRUE var_1_30 > var_1_24 [L114] var_1_34 = (var_1_35 + var_1_36) [L119] COND TRUE var_1_32 && var_1_32 [L120] COND TRUE var_1_27 != 16.5 [L121] var_1_1 = ((((-256) > (var_1_34)) ? (-256) : (var_1_34))) [L128] COND TRUE var_1_26 == var_1_27 [L129] var_1_39 = ((((var_1_38) < 0 ) ? -(var_1_38) : (var_1_38))) [L137] unsigned long int stepLocal_0 = var_1_7 * var_1_30; [L138] COND TRUE stepLocal_0 != (var_1_39 / (var_1_16 + var_1_17)) [L139] COND FALSE !(var_1_23 >= (((((var_1_12 * var_1_26)) < (var_1_8)) ? ((var_1_12 * var_1_26)) : (var_1_8)))) [L142] COND TRUE \read(var_1_32) [L143] var_1_13 = ((var_1_19 - var_1_20) - (((((8 + var_1_21)) > (var_1_22)) ? ((8 + var_1_21)) : (var_1_22)))) [L225] RET step() [L226] CALL, EXPR property() [L216] EXPR (((((((((var_1_32 && var_1_32) ? ((var_1_27 != 16.5) ? (var_1_1 == ((signed short int) ((((-256) > (var_1_34)) ? (-256) : (var_1_34))))) : (var_1_1 == ((signed short int) (var_1_6 - var_1_7)))) : (var_1_1 == ((signed short int) var_1_6))) && (var_1_32 ? (var_1_8 == ((double) ((var_1_9 + ((((31.5) > (var_1_10)) ? (31.5) : (var_1_10)))) - ((((var_1_11) < (var_1_12)) ? (var_1_11) : (var_1_12)))))) : 1)) && (((var_1_7 * var_1_30) != (var_1_39 / (var_1_16 + var_1_17))) ? ((var_1_23 >= (((((var_1_12 * var_1_26)) < (var_1_8)) ? ((var_1_12 * var_1_26)) : (var_1_8)))) ? (var_1_13 == ((unsigned short int) var_1_7)) : (var_1_32 ? (var_1_13 == ((unsigned short int) ((var_1_19 - var_1_20) - (((((8 + var_1_21)) > (var_1_22)) ? ((8 + var_1_21)) : (var_1_22)))))) : 1)) : (var_1_13 == ((unsigned short int) ((((var_1_19) > ((var_1_7 + var_1_20))) ? (var_1_19) : ((var_1_7 + var_1_20)))))))) && (var_1_23 == ((float) (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) - var_1_9)))) && (last_1_var_1_32 ? ((-10000000 <= last_1_var_1_30) ? (var_1_24 == ((signed long int) (last_1_var_1_30 - var_1_20))) : 1) : 1)) && ((! ((var_1_12 < 9999999.625) && var_1_32)) ? (var_1_25 == ((unsigned short int) var_1_19)) : (var_1_25 == ((unsigned short int) ((((var_1_20) < (((((var_1_7) < (var_1_19)) ? (var_1_7) : (var_1_19))))) ? (var_1_20) : (((((var_1_7) < (var_1_19)) ? (var_1_7) : (var_1_19)))))))))) && ((32 >= var_1_24) ? (var_1_26 == ((double) (var_1_9 - 8.625))) : 1)) && ((-32 > var_1_20) ? (var_1_27 == ((double) (((((((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))) + (var_1_28 - var_1_29))) < (var_1_11)) ? ((((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))) + (var_1_28 - var_1_29))) : (var_1_11))))) : (var_1_27 == ((double) 63.75)))) && (((last_1_var_1_24 | var_1_22) > last_1_var_1_39) ? (last_1_var_1_32 ? ((last_1_var_1_1 == ((var_1_20 + last_1_var_1_13) / var_1_19)) ? (var_1_30 == ((unsigned long int) ((((var_1_22) > (10u)) ? (var_1_22) : (10u))))) : 1) : (var_1_30 == ((unsigned long int) ((((var_1_22) > ((var_1_31 - var_1_20))) ? (var_1_22) : ((var_1_31 - var_1_20))))))) : ((var_1_7 > last_1_var_1_13) ? (var_1_30 == ((unsigned long int) var_1_21)) : (var_1_30 == ((unsigned long int) var_1_31)))) [L216-L217] return ((((((((((((var_1_32 && var_1_32) ? ((var_1_27 != 16.5) ? (var_1_1 == ((signed short int) ((((-256) > (var_1_34)) ? (-256) : (var_1_34))))) : (var_1_1 == ((signed short int) (var_1_6 - var_1_7)))) : (var_1_1 == ((signed short int) var_1_6))) && (var_1_32 ? (var_1_8 == ((double) ((var_1_9 + ((((31.5) > (var_1_10)) ? (31.5) : (var_1_10)))) - ((((var_1_11) < (var_1_12)) ? (var_1_11) : (var_1_12)))))) : 1)) && (((var_1_7 * var_1_30) != (var_1_39 / (var_1_16 + var_1_17))) ? ((var_1_23 >= (((((var_1_12 * var_1_26)) < (var_1_8)) ? ((var_1_12 * var_1_26)) : (var_1_8)))) ? (var_1_13 == ((unsigned short int) var_1_7)) : (var_1_32 ? (var_1_13 == ((unsigned short int) ((var_1_19 - var_1_20) - (((((8 + var_1_21)) > (var_1_22)) ? ((8 + var_1_21)) : (var_1_22)))))) : 1)) : (var_1_13 == ((unsigned short int) ((((var_1_19) > ((var_1_7 + var_1_20))) ? (var_1_19) : ((var_1_7 + var_1_20)))))))) && (var_1_23 == ((float) (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) - var_1_9)))) && (last_1_var_1_32 ? ((-10000000 <= last_1_var_1_30) ? (var_1_24 == ((signed long int) (last_1_var_1_30 - var_1_20))) : 1) : 1)) && ((! ((var_1_12 < 9999999.625) && var_1_32)) ? (var_1_25 == ((unsigned short int) var_1_19)) : (var_1_25 == ((unsigned short int) ((((var_1_20) < (((((var_1_7) < (var_1_19)) ? (var_1_7) : (var_1_19))))) ? (var_1_20) : (((((var_1_7) < (var_1_19)) ? (var_1_7) : (var_1_19)))))))))) && ((32 >= var_1_24) ? (var_1_26 == ((double) (var_1_9 - 8.625))) : 1)) && ((-32 > var_1_20) ? (var_1_27 == ((double) (((((((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))) + (var_1_28 - var_1_29))) < (var_1_11)) ? ((((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))) + (var_1_28 - var_1_29))) : (var_1_11))))) : (var_1_27 == ((double) 63.75)))) && (((last_1_var_1_24 | var_1_22) > last_1_var_1_39) ? (last_1_var_1_32 ? ((last_1_var_1_1 == ((var_1_20 + last_1_var_1_13) / var_1_19)) ? (var_1_30 == ((unsigned long int) ((((var_1_22) > (10u)) ? (var_1_22) : (10u))))) : 1) : (var_1_30 == ((unsigned long int) ((((var_1_22) > ((var_1_31 - var_1_20))) ? (var_1_22) : ((var_1_31 - var_1_20))))))) : ((var_1_7 > last_1_var_1_13) ? (var_1_30 == ((unsigned long int) var_1_21)) : (var_1_30 == ((unsigned long int) var_1_31))))) && (((var_1_29 - var_1_11) <= last_1_var_1_8) ? ((last_1_var_1_39 == var_1_19) ? (var_1_32 == ((unsigned char) var_1_33)) : 1) : 1)) && ((var_1_20 >= var_1_16) ? ((var_1_30 > var_1_24) ? (var_1_34 == ((signed char) (var_1_35 + var_1_36))) : (var_1_34 == ((signed char) (var_1_37 - var_1_38)))) : 1)) && ((var_1_26 == var_1_27) ? (var_1_39 == ((unsigned long int) ((((var_1_38) < 0 ) ? -(var_1_38) : (var_1_38))))) : (((var_1_19 * 64u) < var_1_38) ? (var_1_39 == ((unsigned long int) var_1_19)) : (var_1_39 == ((unsigned long int) var_1_16)))) ; [L226] RET, EXPR property() [L226] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=32765, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=1, var_1_20=-49153, var_1_21=249, var_1_22=-65279, var_1_24=256, var_1_25=49405, var_1_26=5/8, var_1_27=255/4, var_1_30=257, var_1_31=2147483647, var_1_32=1, var_1_33=256, var_1_34=1, var_1_35=63, var_1_36=-62, var_1_37=126, var_1_38=1, var_1_39=1, var_1_6=32766, var_1_7=32766, var_1_8=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=100, last_1_var_1_1=0, last_1_var_1_24=256, last_1_var_1_30=1, last_1_var_1_32=1, last_1_var_1_39=128, last_1_var_1_8=53/10, var_1_13=32765, var_1_16=-4294967295, var_1_17=8589934593, var_1_19=49405, var_1_1=1, var_1_20=-49153, var_1_21=249, var_1_22=-65279, var_1_24=256, var_1_25=49405, var_1_26=5/8, var_1_27=255/4, var_1_30=257, var_1_31=2147483647, var_1_32=1, var_1_33=256, var_1_34=1, var_1_35=63, var_1_36=-62, var_1_37=126, var_1_38=1, var_1_39=1, var_1_6=32766, var_1_7=32766, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 1, TraceHistogramMax: 34, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 07:03:37,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-79.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 490a17de475a4cdaca431eb48cf1963f4700f59f0d2a39194d1b25aa89485cac --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:03:40,754 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:03:40,884 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 07:03:40,894 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:03:40,895 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:03:40,955 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:03:40,956 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:03:40,956 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:03:40,957 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:03:40,958 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:03:40,958 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:03:40,959 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:03:40,959 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:03:40,960 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:03:40,960 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:03:40,961 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:03:40,962 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:03:40,963 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:03:40,963 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:03:40,964 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:03:40,964 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:03:40,969 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:03:40,969 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:03:40,969 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:03:40,970 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 07:03:40,970 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 07:03:40,971 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:03:40,971 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 07:03:40,971 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:03:40,972 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:03:40,972 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:03:40,974 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:03:40,975 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 07:03:40,975 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:03:40,976 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:03:40,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:03:40,977 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:03:40,977 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:03:40,978 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:03:40,978 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 07:03:40,979 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 07:03:40,979 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:03:40,980 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:03:40,980 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 490a17de475a4cdaca431eb48cf1963f4700f59f0d2a39194d1b25aa89485cac [2024-11-09 07:03:41,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:03:41,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:03:41,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:03:41,540 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:03:41,541 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:03:41,543 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-79.i Unable to find full path for "g++" [2024-11-09 07:03:44,500 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:03:44,893 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:03:44,897 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-79.i [2024-11-09 07:03:44,926 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/data/ca0385637/bc75eb572dfa4b5bbc49cbeae013da50/FLAGc834d280f [2024-11-09 07:03:45,090 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/data/ca0385637/bc75eb572dfa4b5bbc49cbeae013da50 [2024-11-09 07:03:45,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:03:45,095 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:03:45,097 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:03:45,097 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:03:45,105 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:03:45,106 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:03:45" (1/1) ... [2024-11-09 07:03:45,108 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c5d478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:45, skipping insertion in model container [2024-11-09 07:03:45,109 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:03:45" (1/1) ... [2024-11-09 07:03:45,161 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:03:45,429 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-79.i[916,929] [2024-11-09 07:03:45,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:03:45,659 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:03:45,684 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-79.i[916,929] [2024-11-09 07:03:45,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:03:45,884 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:03:45,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:45 WrapperNode [2024-11-09 07:03:45,886 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:03:45,887 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:03:45,887 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:03:45,888 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:03:45,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:45" (1/1) ... [2024-11-09 07:03:45,964 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:45" (1/1) ... [2024-11-09 07:03:46,034 INFO L138 Inliner]: procedures = 27, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 225 [2024-11-09 07:03:46,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:03:46,039 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:03:46,039 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:03:46,039 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:03:46,058 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:45" (1/1) ... [2024-11-09 07:03:46,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:45" (1/1) ... [2024-11-09 07:03:46,066 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:45" (1/1) ... [2024-11-09 07:03:46,070 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:45" (1/1) ... [2024-11-09 07:03:46,096 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:45" (1/1) ... [2024-11-09 07:03:46,105 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:45" (1/1) ... [2024-11-09 07:03:46,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:45" (1/1) ... [2024-11-09 07:03:46,121 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:45" (1/1) ... [2024-11-09 07:03:46,130 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:03:46,134 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:03:46,134 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:03:46,135 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:03:46,136 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:45" (1/1) ... [2024-11-09 07:03:46,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:03:46,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:03:46,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:03:46,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:03:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:03:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 07:03:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 07:03:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 07:03:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:03:46,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:03:46,366 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:03:46,368 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:03:55,938 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-09 07:03:55,939 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:03:55,965 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:03:55,966 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 07:03:55,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:03:55 BoogieIcfgContainer [2024-11-09 07:03:55,966 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:03:55,969 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:03:55,969 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:03:55,973 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:03:55,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:03:45" (1/3) ... [2024-11-09 07:03:55,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130fba6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:03:55, skipping insertion in model container [2024-11-09 07:03:55,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:45" (2/3) ... [2024-11-09 07:03:55,975 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130fba6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:03:55, skipping insertion in model container [2024-11-09 07:03:55,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:03:55" (3/3) ... [2024-11-09 07:03:55,978 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-79.i [2024-11-09 07:03:56,005 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:03:56,006 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:03:56,130 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:03:56,138 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@47f39605, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:03:56,138 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:03:56,143 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 62 states have (on average 1.4193548387096775) internal successors, (88), 63 states have internal predecessors, (88), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-09 07:03:56,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-09 07:03:56,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:03:56,164 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:03:56,165 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:03:56,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:03:56,172 INFO L85 PathProgramCache]: Analyzing trace with hash -2033803098, now seen corresponding path program 1 times [2024-11-09 07:03:56,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:03:56,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1108087840] [2024-11-09 07:03:56,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:03:56,192 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:03:56,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:03:56,196 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 07:03:56,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 07:03:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:03:57,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 07:03:57,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:03:57,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-09 07:03:57,797 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:03:57,798 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:03:57,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1108087840] [2024-11-09 07:03:57,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1108087840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:03:57,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:03:57,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:03:57,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012076330] [2024-11-09 07:03:57,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:03:57,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 07:03:57,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:03:57,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 07:03:57,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:03:57,851 INFO L87 Difference]: Start difference. First operand has 99 states, 62 states have (on average 1.4193548387096775) internal successors, (88), 63 states have internal predecessors, (88), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-09 07:03:57,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:03:57,903 INFO L93 Difference]: Finished difference Result 191 states and 340 transitions. [2024-11-09 07:03:57,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 07:03:57,908 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 216 [2024-11-09 07:03:57,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:03:57,922 INFO L225 Difference]: With dead ends: 191 [2024-11-09 07:03:57,923 INFO L226 Difference]: Without dead ends: 95 [2024-11-09 07:03:57,928 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:03:57,933 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 07:03:57,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 07:03:57,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-09 07:03:58,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-11-09 07:03:58,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 59 states have (on average 1.3559322033898304) internal successors, (80), 59 states have internal predecessors, (80), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-09 07:03:58,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 148 transitions. [2024-11-09 07:03:58,047 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 148 transitions. Word has length 216 [2024-11-09 07:03:58,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:03:58,054 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 148 transitions. [2024-11-09 07:03:58,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-09 07:03:58,055 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 148 transitions. [2024-11-09 07:03:58,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-09 07:03:58,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:03:58,069 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:03:58,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 07:03:58,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:03:58,271 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:03:58,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:03:58,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1250046948, now seen corresponding path program 1 times [2024-11-09 07:03:58,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:03:58,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [891392792] [2024-11-09 07:03:58,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:03:58,278 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:03:58,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:03:58,282 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 07:03:58,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 07:03:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:03:59,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 07:03:59,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:04:03,779 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-09 07:04:03,780 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:04:03,780 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:04:03,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [891392792] [2024-11-09 07:04:03,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [891392792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:04:03,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:04:03,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:04:03,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749568125] [2024-11-09 07:04:03,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:04:03,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 07:04:03,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:04:03,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 07:04:03,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:04:03,786 INFO L87 Difference]: Start difference. First operand 95 states and 148 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-09 07:04:05,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:04:06,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:04:09,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:04:11,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:04:13,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:04:15,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:04:17,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:04:17,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:04:17,798 INFO L93 Difference]: Finished difference Result 305 states and 478 transitions. [2024-11-09 07:04:17,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 07:04:17,896 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 216 [2024-11-09 07:04:17,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:04:17,901 INFO L225 Difference]: With dead ends: 305 [2024-11-09 07:04:17,901 INFO L226 Difference]: Without dead ends: 213 [2024-11-09 07:04:17,903 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:04:17,905 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 128 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 73 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2024-11-09 07:04:17,905 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 427 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 24 Invalid, 5 Unknown, 0 Unchecked, 13.9s Time] [2024-11-09 07:04:17,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-09 07:04:17,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 191. [2024-11-09 07:04:17,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 120 states have (on average 1.325) internal successors, (159), 120 states have internal predecessors, (159), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-09 07:04:17,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 295 transitions. [2024-11-09 07:04:17,957 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 295 transitions. Word has length 216 [2024-11-09 07:04:17,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:04:17,959 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 295 transitions. [2024-11-09 07:04:17,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-09 07:04:17,960 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 295 transitions. [2024-11-09 07:04:17,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-09 07:04:17,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:04:17,965 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:04:17,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-09 07:04:18,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:04:18,167 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:04:18,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:04:18,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1664209806, now seen corresponding path program 1 times [2024-11-09 07:04:18,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:04:18,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [576700853] [2024-11-09 07:04:18,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:04:18,170 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:04:18,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:04:18,174 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 07:04:18,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-09 07:04:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:04:19,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 07:04:19,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:04:27,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1065 proven. 63 refuted. 0 times theorem prover too weak. 1116 trivial. 0 not checked. [2024-11-09 07:04:27,084 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:04:29,288 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:04:29,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [576700853] [2024-11-09 07:04:29,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [576700853] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:04:29,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1752899358] [2024-11-09 07:04:29,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:04:29,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 07:04:29,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 07:04:29,296 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 07:04:29,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 07:04:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:04:30,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 07:04:30,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:04:30,855 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-09 07:04:30,855 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:04:30,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1752899358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:04:30,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 07:04:30,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-11-09 07:04:30,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517890042] [2024-11-09 07:04:30,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:04:30,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:04:30,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:04:30,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:04:30,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-09 07:04:30,861 INFO L87 Difference]: Start difference. First operand 191 states and 295 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-09 07:04:31,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:04:34,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:04:36,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:04:36,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:04:36,452 INFO L93 Difference]: Finished difference Result 379 states and 589 transitions. [2024-11-09 07:04:36,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:04:36,453 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 218 [2024-11-09 07:04:36,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:04:36,458 INFO L225 Difference]: With dead ends: 379 [2024-11-09 07:04:36,459 INFO L226 Difference]: Without dead ends: 287 [2024-11-09 07:04:36,461 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 575 GetRequests, 565 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-09 07:04:36,462 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 132 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-11-09 07:04:36,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 290 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 12 Invalid, 2 Unknown, 0 Unchecked, 5.5s Time] [2024-11-09 07:04:36,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-09 07:04:36,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 285. [2024-11-09 07:04:36,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 179 states have (on average 1.318435754189944) internal successors, (236), 179 states have internal predecessors, (236), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-09 07:04:36,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 440 transitions. [2024-11-09 07:04:36,524 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 440 transitions. Word has length 218 [2024-11-09 07:04:36,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:04:36,525 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 440 transitions. [2024-11-09 07:04:36,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-09 07:04:36,526 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 440 transitions. [2024-11-09 07:04:36,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-09 07:04:36,531 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:04:36,531 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:04:36,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-09 07:04:36,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-09 07:04:36,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:04:36,933 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:04:36,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:04:36,934 INFO L85 PathProgramCache]: Analyzing trace with hash 636612784, now seen corresponding path program 1 times [2024-11-09 07:04:36,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:04:36,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1170890423] [2024-11-09 07:04:36,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:04:36,935 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:04:36,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:04:36,937 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 07:04:36,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-09 07:04:38,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:04:38,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 07:04:38,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:04:45,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1065 proven. 63 refuted. 0 times theorem prover too weak. 1116 trivial. 0 not checked. [2024-11-09 07:04:45,134 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:04:47,264 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:04:47,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1170890423] [2024-11-09 07:04:47,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1170890423] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:04:47,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1577337923] [2024-11-09 07:04:47,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:04:47,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 07:04:47,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 07:04:47,270 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 07:04:47,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 07:04:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:04:48,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 07:04:48,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:04:52,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-09 07:04:52,500 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:04:52,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1577337923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:04:52,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 07:04:52,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2024-11-09 07:04:52,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54040972] [2024-11-09 07:04:52,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:04:52,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 07:04:52,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:04:52,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 07:04:52,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-09 07:04:52,505 INFO L87 Difference]: Start difference. First operand 285 states and 440 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-09 07:04:55,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:04:57,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:04:59,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:05:01,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:05:03,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:05:06,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:05:08,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:05:10,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:05:12,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:05:14,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:05:16,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:05:18,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:05:20,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:05:20,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:05:20,818 INFO L93 Difference]: Finished difference Result 992 states and 1536 transitions. [2024-11-09 07:05:20,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 07:05:20,896 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 218 [2024-11-09 07:05:20,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:05:20,903 INFO L225 Difference]: With dead ends: 992 [2024-11-09 07:05:20,904 INFO L226 Difference]: Without dead ends: 710 [2024-11-09 07:05:20,906 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 578 GetRequests, 563 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2024-11-09 07:05:20,908 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 139 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 69 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.9s IncrementalHoareTripleChecker+Time [2024-11-09 07:05:20,908 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 698 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 37 Invalid, 13 Unknown, 0 Unchecked, 27.9s Time] [2024-11-09 07:05:20,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2024-11-09 07:05:21,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 606. [2024-11-09 07:05:21,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 395 states have (on average 1.3189873417721518) internal successors, (521), 395 states have internal predecessors, (521), 204 states have call successors, (204), 6 states have call predecessors, (204), 6 states have return successors, (204), 204 states have call predecessors, (204), 204 states have call successors, (204) [2024-11-09 07:05:21,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 929 transitions. [2024-11-09 07:05:21,040 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 929 transitions. Word has length 218 [2024-11-09 07:05:21,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:05:21,042 INFO L471 AbstractCegarLoop]: Abstraction has 606 states and 929 transitions. [2024-11-09 07:05:21,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-09 07:05:21,043 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 929 transitions. [2024-11-09 07:05:21,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-09 07:05:21,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:05:21,053 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:05:21,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-09 07:05:21,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-09 07:05:21,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 07:05:21,454 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:05:21,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:05:21,455 INFO L85 PathProgramCache]: Analyzing trace with hash 894778222, now seen corresponding path program 1 times [2024-11-09 07:05:21,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:05:21,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [713888465] [2024-11-09 07:05:21,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:05:21,456 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:05:21,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:05:21,461 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 07:05:21,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-09 07:05:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:05:22,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 07:05:22,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:05:28,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1065 proven. 63 refuted. 0 times theorem prover too weak. 1116 trivial. 0 not checked. [2024-11-09 07:05:28,858 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:05:30,668 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:05:30,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [713888465] [2024-11-09 07:05:30,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [713888465] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:05:30,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1627646570] [2024-11-09 07:05:30,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:05:30,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 07:05:30,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 07:05:30,671 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 07:05:30,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 07:05:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:05:33,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 07:05:33,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:05:40,245 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-09 07:05:40,245 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:05:40,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1627646570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:05:40,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 07:05:40,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2024-11-09 07:05:40,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932938078] [2024-11-09 07:05:40,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:05:40,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 07:05:40,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:05:40,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 07:05:40,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-09 07:05:40,249 INFO L87 Difference]: Start difference. First operand 606 states and 929 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-09 07:05:44,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:05:46,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:05:48,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:05:51,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:05:53,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:05:55,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:05:55,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:05:55,683 INFO L93 Difference]: Finished difference Result 1123 states and 1710 transitions. [2024-11-09 07:05:55,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 07:05:55,684 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 218 [2024-11-09 07:05:55,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:05:55,692 INFO L225 Difference]: With dead ends: 1123 [2024-11-09 07:05:55,692 INFO L226 Difference]: Without dead ends: 817 [2024-11-09 07:05:55,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 577 GetRequests, 563 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-11-09 07:05:55,696 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 104 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 69 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2024-11-09 07:05:55,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 478 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 105 Invalid, 6 Unknown, 0 Unchecked, 15.0s Time] [2024-11-09 07:05:55,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2024-11-09 07:05:55,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 667. [2024-11-09 07:05:55,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 421 states have (on average 1.299287410926366) internal successors, (547), 421 states have internal predecessors, (547), 238 states have call successors, (238), 7 states have call predecessors, (238), 7 states have return successors, (238), 238 states have call predecessors, (238), 238 states have call successors, (238) [2024-11-09 07:05:55,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 1023 transitions. [2024-11-09 07:05:55,848 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 1023 transitions. Word has length 218 [2024-11-09 07:05:55,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:05:55,854 INFO L471 AbstractCegarLoop]: Abstraction has 667 states and 1023 transitions. [2024-11-09 07:05:55,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-09 07:05:55,854 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 1023 transitions. [2024-11-09 07:05:55,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-09 07:05:55,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:05:55,860 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:05:55,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-09 07:05:56,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-09 07:05:56,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 07:05:56,265 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:05:56,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:05:56,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1044241294, now seen corresponding path program 1 times [2024-11-09 07:05:56,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:05:56,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [740711094] [2024-11-09 07:05:56,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:05:56,267 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:05:56,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:05:56,269 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 07:05:56,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-09 07:05:57,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:05:57,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 07:05:57,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:06:13,400 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1236 proven. 114 refuted. 0 times theorem prover too weak. 894 trivial. 0 not checked. [2024-11-09 07:06:13,400 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:06:18,223 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:06:18,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [740711094] [2024-11-09 07:06:18,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [740711094] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:06:18,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1729605495] [2024-11-09 07:06:18,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:06:18,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 07:06:18,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 07:06:18,225 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 07:06:18,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-09 07:06:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:06:20,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 07:06:20,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:06:25,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-09 07:06:25,132 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:06:25,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1729605495] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:06:25,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 07:06:25,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 12 [2024-11-09 07:06:25,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448571271] [2024-11-09 07:06:25,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:06:25,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 07:06:25,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:06:25,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 07:06:25,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-09 07:06:25,135 INFO L87 Difference]: Start difference. First operand 667 states and 1023 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-09 07:06:28,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:06:30,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:06:32,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:06:34,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:06:35,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:06:35,187 INFO L93 Difference]: Finished difference Result 1552 states and 2386 transitions. [2024-11-09 07:06:35,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 07:06:35,188 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2024-11-09 07:06:35,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:06:35,199 INFO L225 Difference]: With dead ends: 1552 [2024-11-09 07:06:35,199 INFO L226 Difference]: Without dead ends: 949 [2024-11-09 07:06:35,203 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 562 GetRequests, 548 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-09 07:06:35,205 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 36 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2024-11-09 07:06:35,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 352 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 87 Invalid, 4 Unknown, 0 Unchecked, 9.9s Time] [2024-11-09 07:06:35,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2024-11-09 07:06:35,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 947. [2024-11-09 07:06:35,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 596 states have (on average 1.2969798657718121) internal successors, (773), 596 states have internal predecessors, (773), 340 states have call successors, (340), 10 states have call predecessors, (340), 10 states have return successors, (340), 340 states have call predecessors, (340), 340 states have call successors, (340) [2024-11-09 07:06:35,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1453 transitions. [2024-11-09 07:06:35,338 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1453 transitions. Word has length 219 [2024-11-09 07:06:35,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:06:35,342 INFO L471 AbstractCegarLoop]: Abstraction has 947 states and 1453 transitions. [2024-11-09 07:06:35,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-09 07:06:35,343 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1453 transitions. [2024-11-09 07:06:35,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-09 07:06:35,345 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:06:35,345 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:06:35,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-09 07:06:35,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2024-11-09 07:06:35,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:06:35,746 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:06:35,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:06:35,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1437268304, now seen corresponding path program 1 times [2024-11-09 07:06:35,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:06:35,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1219642416] [2024-11-09 07:06:35,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:06:35,748 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:06:35,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:06:35,752 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 07:06:35,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-09 07:06:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:06:36,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 07:06:36,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:06:52,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1236 proven. 114 refuted. 0 times theorem prover too weak. 894 trivial. 0 not checked. [2024-11-09 07:06:52,405 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:06:57,392 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:06:57,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1219642416] [2024-11-09 07:06:57,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1219642416] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:06:57,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [437923520] [2024-11-09 07:06:57,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:06:57,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 07:06:57,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 07:06:57,397 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 07:06:57,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-09 07:07:00,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:07:00,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 07:07:00,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:07:06,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-09 07:07:06,189 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:07:06,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [437923520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:07:06,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 07:07:06,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 12 [2024-11-09 07:07:06,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232368192] [2024-11-09 07:07:06,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:07:06,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 07:07:06,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:07:06,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 07:07:06,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-09 07:07:06,193 INFO L87 Difference]: Start difference. First operand 947 states and 1453 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-09 07:07:10,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:07:11,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:07:13,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:07:16,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:07:18,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:07:21,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:07:23,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:07:25,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:07:27,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:07:28,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:07:30,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:07:30,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:07:30,881 INFO L93 Difference]: Finished difference Result 2142 states and 3289 transitions. [2024-11-09 07:07:30,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 07:07:30,882 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2024-11-09 07:07:30,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:07:30,894 INFO L225 Difference]: With dead ends: 2142 [2024-11-09 07:07:30,894 INFO L226 Difference]: Without dead ends: 1259 [2024-11-09 07:07:30,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 562 GetRequests, 548 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-09 07:07:30,900 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 139 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.5s IncrementalHoareTripleChecker+Time [2024-11-09 07:07:30,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 428 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 117 Invalid, 6 Unknown, 0 Unchecked, 24.5s Time] [2024-11-09 07:07:30,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1259 states. [2024-11-09 07:07:31,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1259 to 1227. [2024-11-09 07:07:31,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1227 states, 771 states have (on average 1.284046692607004) internal successors, (990), 771 states have internal predecessors, (990), 442 states have call successors, (442), 13 states have call predecessors, (442), 13 states have return successors, (442), 442 states have call predecessors, (442), 442 states have call successors, (442) [2024-11-09 07:07:31,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 1874 transitions. [2024-11-09 07:07:31,090 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 1874 transitions. Word has length 219 [2024-11-09 07:07:31,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:07:31,091 INFO L471 AbstractCegarLoop]: Abstraction has 1227 states and 1874 transitions. [2024-11-09 07:07:31,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-09 07:07:31,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1874 transitions. [2024-11-09 07:07:31,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-09 07:07:31,094 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:07:31,094 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:07:31,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2024-11-09 07:07:31,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-09 07:07:31,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 07:07:31,495 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:07:31,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:07:31,496 INFO L85 PathProgramCache]: Analyzing trace with hash -2130014298, now seen corresponding path program 1 times [2024-11-09 07:07:31,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:07:31,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1587217638] [2024-11-09 07:07:31,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:07:31,496 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:07:31,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:07:31,498 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 07:07:31,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-09 07:07:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:07:32,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 07:07:32,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:07:47,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1236 proven. 114 refuted. 0 times theorem prover too weak. 894 trivial. 0 not checked. [2024-11-09 07:07:47,003 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:07:51,988 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:07:51,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1587217638] [2024-11-09 07:07:51,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1587217638] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:07:51,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1479497202] [2024-11-09 07:07:51,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:07:51,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 07:07:51,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 07:07:51,990 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 07:07:51,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-09 07:07:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:07:55,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 07:07:55,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:08:03,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1065 proven. 63 refuted. 0 times theorem prover too weak. 1116 trivial. 0 not checked. [2024-11-09 07:08:03,805 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:08:06,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1479497202] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:08:06,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106862083] [2024-11-09 07:08:06,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:06,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:08:06,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:08:06,845 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:08:06,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 07:08:07,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:08:07,508 INFO L255 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 07:08:07,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:08:15,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1065 proven. 63 refuted. 0 times theorem prover too weak. 1116 trivial. 0 not checked. [2024-11-09 07:08:15,125 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:08:16,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106862083] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:08:16,957 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 07:08:16,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 16 [2024-11-09 07:08:16,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551450732] [2024-11-09 07:08:16,957 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 07:08:16,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-09 07:08:16,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:08:16,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-09 07:08:16,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2024-11-09 07:08:16,960 INFO L87 Difference]: Start difference. First operand 1227 states and 1874 transitions. Second operand has 17 states, 17 states have (on average 6.176470588235294) internal successors, (105), 16 states have internal predecessors, (105), 5 states have call successors, (68), 5 states have call predecessors, (68), 8 states have return successors, (68), 5 states have call predecessors, (68), 5 states have call successors, (68) [2024-11-09 07:08:32,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:08:34,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:08:36,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:08:38,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:08:40,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:08:42,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:08:44,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:08:46,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:08:48,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:08:50,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:08:52,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:08:55,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:08:57,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:08:59,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:09:01,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:09:03,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:09:05,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:09:07,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:09:09,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:09:11,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:09:13,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:09:15,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:09:19,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:09:21,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:09:23,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:09:25,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:09:27,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:09:29,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:09:31,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:09:33,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:09:35,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:09:37,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:09:39,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:09:41,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:09:43,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:09:45,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:09:47,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:09:47,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:09:47,402 INFO L93 Difference]: Finished difference Result 2132 states and 3246 transitions. [2024-11-09 07:09:47,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 07:09:47,403 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.176470588235294) internal successors, (105), 16 states have internal predecessors, (105), 5 states have call successors, (68), 5 states have call predecessors, (68), 8 states have return successors, (68), 5 states have call predecessors, (68), 5 states have call successors, (68) Word has length 220 [2024-11-09 07:09:47,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:09:47,413 INFO L225 Difference]: With dead ends: 2132 [2024-11-09 07:09:47,414 INFO L226 Difference]: Without dead ends: 969 [2024-11-09 07:09:47,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1087 GetRequests, 1049 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=358, Invalid=1202, Unknown=0, NotChecked=0, Total=1560 [2024-11-09 07:09:47,420 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 446 mSDsluCounter, 1094 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 223 mSolverCounterUnsat, 37 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 84.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 1192 SdHoareTripleChecker+Invalid, 1073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 37 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 85.2s IncrementalHoareTripleChecker+Time [2024-11-09 07:09:47,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 1192 Invalid, 1073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 813 Invalid, 37 Unknown, 0 Unchecked, 85.2s Time] [2024-11-09 07:09:47,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2024-11-09 07:09:47,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 926. [2024-11-09 07:09:47,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 926 states, 573 states have (on average 1.2792321116928447) internal successors, (733), 573 states have internal predecessors, (733), 340 states have call successors, (340), 12 states have call predecessors, (340), 12 states have return successors, (340), 340 states have call predecessors, (340), 340 states have call successors, (340) [2024-11-09 07:09:47,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1413 transitions. [2024-11-09 07:09:47,624 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1413 transitions. Word has length 220 [2024-11-09 07:09:47,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:09:47,625 INFO L471 AbstractCegarLoop]: Abstraction has 926 states and 1413 transitions. [2024-11-09 07:09:47,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.176470588235294) internal successors, (105), 16 states have internal predecessors, (105), 5 states have call successors, (68), 5 states have call predecessors, (68), 8 states have return successors, (68), 5 states have call predecessors, (68), 5 states have call successors, (68) [2024-11-09 07:09:47,626 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1413 transitions. [2024-11-09 07:09:47,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-09 07:09:47,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:09:47,630 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:09:47,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-09 07:09:47,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-09 07:09:48,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2024-11-09 07:09:48,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:09:48,231 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:09:48,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:09:48,232 INFO L85 PathProgramCache]: Analyzing trace with hash -736940823, now seen corresponding path program 1 times [2024-11-09 07:09:48,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:09:48,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1932028028] [2024-11-09 07:09:48,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:09:48,233 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:09:48,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:09:48,235 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 07:09:48,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-11-09 07:09:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:09:49,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 07:09:49,456 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:09:53,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1202 proven. 63 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2024-11-09 07:09:53,670 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:09:54,668 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:09:54,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1932028028] [2024-11-09 07:09:54,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1932028028] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:09:54,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [679577754] [2024-11-09 07:09:54,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:09:54,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 07:09:54,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 07:09:54,670 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 07:09:54,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-09 07:09:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:09:58,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 07:09:58,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:10:01,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1202 proven. 63 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2024-11-09 07:10:01,297 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:10:01,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [679577754] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:10:01,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45539476] [2024-11-09 07:10:01,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:10:01,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:10:01,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:10:01,978 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:10:01,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-09 07:10:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:10:02,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 07:10:02,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:10:06,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1202 proven. 63 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2024-11-09 07:10:06,200 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:10:06,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [45539476] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:10:06,968 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 07:10:06,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 8 [2024-11-09 07:10:06,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990598222] [2024-11-09 07:10:06,969 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 07:10:06,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 07:10:06,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:10:06,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 07:10:06,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-09 07:10:06,971 INFO L87 Difference]: Start difference. First operand 926 states and 1413 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 3 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-09 07:10:13,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:10:15,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:10:17,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:10:19,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:10:21,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:10:21,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:10:21,967 INFO L93 Difference]: Finished difference Result 1866 states and 2788 transitions. [2024-11-09 07:10:21,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 07:10:21,968 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 3 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 220 [2024-11-09 07:10:21,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:10:21,980 INFO L225 Difference]: With dead ends: 1866 [2024-11-09 07:10:21,981 INFO L226 Difference]: Without dead ends: 1024 [2024-11-09 07:10:21,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 756 GetRequests, 745 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-09 07:10:21,985 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 57 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 5 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2024-11-09 07:10:21,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 312 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 331 Invalid, 5 Unknown, 0 Unchecked, 14.5s Time] [2024-11-09 07:10:21,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2024-11-09 07:10:22,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 1002. [2024-11-09 07:10:22,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1002 states, 630 states have (on average 1.2396825396825397) internal successors, (781), 630 states have internal predecessors, (781), 340 states have call successors, (340), 31 states have call predecessors, (340), 31 states have return successors, (340), 340 states have call predecessors, (340), 340 states have call successors, (340) [2024-11-09 07:10:22,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 1461 transitions. [2024-11-09 07:10:22,140 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 1461 transitions. Word has length 220 [2024-11-09 07:10:22,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:10:22,142 INFO L471 AbstractCegarLoop]: Abstraction has 1002 states and 1461 transitions. [2024-11-09 07:10:22,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 3 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-09 07:10:22,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1461 transitions. [2024-11-09 07:10:22,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-09 07:10:22,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:10:22,144 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:10:22,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-09 07:10:22,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-09 07:10:22,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2024-11-09 07:10:22,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:10:22,746 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:10:22,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:10:22,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1038066539, now seen corresponding path program 1 times [2024-11-09 07:10:22,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:10:22,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1843598888] [2024-11-09 07:10:22,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:10:22,750 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:10:22,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:10:22,752 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 07:10:22,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ce6a4e-2dfc-41b2-a867-01e6d5516b27/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2024-11-09 07:10:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:10:24,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-09 07:10:24,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:16:38,375 WARN L286 SmtUtils]: Spent 1.85m on a formula simplification that was a NOOP. DAG size: 92 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)